Fluentd pods fail to start with "getaddrinfo: Name or service not known"
Issue
Pod logging-fluentd won't start once Openshift upgrade (from v3.7 to v3.9.) is done, with the following error message:
[error]: unexpected error error="getaddrinfo: Name or service not known"
Environment
- Red Hat OpenShift Container Platform 3.9 (upgraded from v3.7)
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